Pen



FIG. 1 is a perspective view of a pen showing our new design;

FIG. 2 is an exploded perspective view thereof;

FIG. 3 is a right side elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a front elevation view thereof;

FIG. 6 is a left side elevation view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a rear elevation view thereof;

FIG. 9 is a front elevation view of the pen shown in FIG. 1 with the pen cap removed for convenience of illustration;

FIG. 10 is a right side elevation view thereof;

FIG. 11 is a rear elevation view thereof; and,

FIG. 12 is a left side elevation view thereof.

The stippled shading shown on a portion of the pen in FIGS. 2 and 9–12 represents a surface texture.

The broken lines in FIG. 7 illustrate environmental matter and form no part of the claim. 

The ornamental design for a pen, as shown and described. 